Thực đơn
Tầng AptThực đơn
Tầng AptLiên quan
Tầng Tầng lớp Itaewon Tầng đối lưu Tầng Apt Tầng Champagne Tầng Anisia Tầng Carnia Tầng Noria Tầng ngậm nước Tầng LadiniaTài liệu tham khảo
WikiPedia: Tầng Apt http://www.sciencedirect.com/science/article/pii/S... http://adsabs.harvard.edu/abs/2002PalOc..17.1041L http://adsabs.harvard.edu/abs/2008E&PSL.271...88L http://stratigraphy.science.purdue.edu/charts/Time... //dx.doi.org/10.1016%2Fj.epsl.2008.03.055 //dx.doi.org/10.1029%2F2001pa000623 http://www.stratigraphy.org/index.php/ics-chart-ti... http://bomax.botany.pl/cgi-bin/pubs/data/article_p... https://www.geo.umass.edu/faculty/leckie/Leckie%20... https://web.archive.org/web/20040511055802/http://...